Net work is done on the weights
A weight lifter lifts a set of weights a vertical distance of 3.55 m. If a constant net force of 370 N is exerted on the weights, how much net work is done on the weights?
Answer in units of J.
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Suppose that 6.50 g of hydrogen is separated into electrons and protons. Suppose also that the protons are placed at the Earth's north pole and the electrons are placed at the south pole. What is the resulting compressional force on the Earth?
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One mole of an ideal gas does 1408 J of work on the surroundings as it expands isother- mally to a final pressure of 1.6 atm and vol- ume of 29 L. Find the initial volume.
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